#66E7EF#66E7EF

#66E7EF is a very light, moderate teal. Relative luminance 0.662; OKLCH L 85.9% C 0.114 H 200.9°. Best body text is #000000 at 14.24:1 contrast (WCAG AA passes).

Color values

HEX	#66E7EF
RGB	rgb(102, 231, 239)
HSL	hsl(184, 81%, 67%)
HSV	hsv(184, 57%, 94%)
CMYK	cmyk(57.3%, 3.3%, 0%, 6.3%)
CIE-LAB	lab(85.10, -33.15, -14.63)
CIE-LCH	lch(85.10, 36.24, 203.82°)
OKLab	oklab(85.9% -0.1062 -0.0405)
OKLCH	oklch(85.9% 0.114 200.9)
XYZ	xyz(49.6288, 66.2036, 91.8077)
Luminance	0.6621 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E7EF #EF6E66

analogous

#66EFB3 #66E7EF #66A2EF

triadic

#66E7EF #EF66E7 #E7EF66

tetradic

#66E7EF #B366EF #EF6E66 #A2EF66

square

#66E7EF #B366EF #EF6E66 #A2EF66

split-complementary

#66E7EF #EF66A2 #EFB366

monochromatic

#15BCC6 #2FDEE9 #66E7EF #9DF0F5 #D5F8FB

Accessibility & contrast

On white

1.47

#66E7EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.24

#66E7EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E7EF

14.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E7EF	#FFFFFF	#000000	##000000
##66E7EF	1.00	1.47	14.24	14.24
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.24	21.00	1.00	1.00
##000000	14.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8DEF0

Deuteranopia (green-blind)

#C2CEF0

Tritanopia (blue-blind)

#00EFE9

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #66e7ef;
/* rgb */ color: rgb(102, 231, 239);
/* oklch */ color: oklch(85.9% 0.114 200.9);

Tailwind

colors: {
  custom: {
    50: '#9eeff4',
    500: '#66e7ef',
    950: '#000000',
  },
}

SCSS

$custom: #66e7ef;
$custom-light: #9eeff4;
$custom-dark: #000000;

JSON

{
  "hex": "#66e7ef",
  "rgb": {
    "r": 102,
    "g": 231,
    "b": 239
  },
  "hsl": {
    "h": 183.504,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.85897,
    "c": 0.11368,
    "h": 200.9
  },
  "luminance": 0.66209
}

Semantic roles & 50–950 ramp

primary

#66E7EF

secondary

#C33E36

accent

#1508DD

background

#FCFFFF

surface

#F6FEFE

border

#D0D6D6

text

#101617

muted

#808585

Preview Lab

Preview with #66E7EF

Body copy rendered with the generated semantic roles for this colour.

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